* The [[http://en.wikipedia.org/wiki/Windows_Live_ID#Problems | Passport]] authentication scheme (aka Microsoft Wallet, aka Windows Live ID (2007).
* The [[http://en.wikipedia.org/wiki/Windows_Live_ID#Problems | Passport]] authentication scheme (aka Microsoft Wallet, aka Windows Live ID (2007).
+ * [[http://www.fsfe.org/projects/os/bsa-letter-analysis.html.en | BSA Letter]], pressuring the European Commission to stop supporting open standards.